The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 2026
Filed:
Sep. 10, 2021
Chengdu Boe Optoelectronics Technology Co., Ltd., Chengdu, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Kaipeng Sun, Beijing, CN;
Binyan Wang, Beijing, CN;
Jianchang Cai, Beijing, CN;
Chao Wu, Beijing, CN;
Yue Long, Beijing, CN;
Yao Huang, Beijing, CN;
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Chengdu, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A display substrate and a display device are provided. The display substrate includes a base substrate; a display region, on the base substrate and including a plurality of pixel driving units, each of the plurality of pixel driving units includes a threshold compensation transistor, a first light-emitting control transistor, an active layer of the threshold compensation transistor includes a first channel region corresponding to the first gate electrode, a second channel region corresponding to the second gate electrode, and an intermediate region between the first channel region and the second channel region; and a plurality of light shielding patterns.